<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="商品名" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入商品名"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入标题"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="分类" prop="categoryName">
        <template>
          <el-select v-model="queryParams.categoryName" placeholder="请选择">
            <el-option
              v-for="item in categroyList"
              :key="item.id"
              :label="item.name"
              :value="item.name"
              @click.native="getCategroyId(item.id)">
            </el-option>
          </el-select>
        </template>
      </el-form-item>
      <el-form-item label="价格" prop="price">
        <el-input
          v-model="queryParams.price"
          placeholder="请输入价格"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="活动名">
        <template>
          <el-select v-model="queryParams.activeName" placeholder="请选择">
            <el-option
              v-for="item in activeList"
              :key="item.id"
              :label="item.name"
              :value="item.name"
              @click.native="getActiveId(item.id)">
            </el-option>
          </el-select>
        </template>
      </el-form-item>
      <el-form-item label="热度" prop="hot">
        <el-input
          v-model="queryParams.hot"
          placeholder="请输入热度"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:goods:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:goods:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:goods:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:goods:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="goodsList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="id" align="center" prop="id" />
      <el-table-column label="商品名" align="center" prop="name" />
      <el-table-column label="标题" align="center" prop="title" />
      <el-table-column label="分类" align="center" prop="categoryName" />
      <el-table-column label="价格" align="center" prop="price" />
      <el-table-column label="商品图片" align="center" prop="img" width="100">
        <template slot-scope="scope">
          <image-preview :src="handleImgUrl(scope.row)" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="热度" align="center" prop="hot" />
      <el-table-column label="活动名" align="center" prop="activeName" :formatter="aNameIsNull"/>
      <el-table-column label="秒杀价" align="center" prop="seckillPrice" :formatter="skpIsNull"/>
      <el-table-column label="秒杀数量" align="center" prop="seckillNum" :formatter="sknIsNull"/>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:goods:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:goods:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改商品管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="商品名" prop="name">
          <el-input v-model="form.name" placeholder="请输入商品名" />
        </el-form-item>
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入标题" />
        </el-form-item>
        <el-form-item label="分类" prop="categoryName">
          <template>
            <el-select v-model="form.categoryName" placeholder="请选择">
              <el-option
                v-for="item in categroyList"
                :key="item.id"
                :label="item.name"
                :value="item.name"
                @click.native="getCategroyId(item.id)">
              </el-option>
            </el-select>
          </template>
        </el-form-item>
        <el-form-item label="价格" prop="price">
          <el-input v-model="form.price" placeholder="请输入价格" />
        </el-form-item>
        <el-form-item label="商品图片">
          <image-upload v-model="form.img"/>
        </el-form-item>
        <el-form-item label="活动">
          <template>
            <el-select v-model="form.activeName" placeholder="请选择">
              <el-option
                v-for="item in activeList"
                :key="item.id"
                :value="item.name"
                @click.native="getActiveId(item.id)"
                :disabled="isAble"
              >
              </el-option>
            </el-select>
          </template>
        </el-form-item>
        <el-form-item label="秒杀价" prop="seckillPrice">
          <el-input v-model="form.seckillPrice" placeholder="请输入秒杀价" :disabled="isAble"/>
        </el-form-item>
        <el-form-item label="秒杀数量" prop="seckillNum">
          <el-input v-model="form.seckillNum" :placeholder="MaxSeckillNum()" :disabled="isAble"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

  </div>
</template>

<script>
import { listGoods, getGoods, delGoods, addGoods, updateGoods,listCategroy,getInventoryNum } from "@/api/system/goods";
import { listActivity } from "@/api/system/activity";

export default {
  name: "Goods",
  data() {
    return {
      isAble:false,
      activeList: [],
      categroyList: [],
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 商品管理表格数据
      goodsList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        name: null,
        title: null,
        categoryName: null,
        categoryId: null,
        price: null,
        activeName: null,
        activeId: null,
        img: null,
        hot: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      },
      inventoryNum:0,
    };
  },
  created() {
    this.getList();
    listActivity(null).then(resp =>{
      this.activeList = resp.rows;
    });
    listCategroy(null).then(resp =>{
      this.categroyList = resp.rows;
    });
  },
  methods: {
    MaxSeckillNum(){
      return "最大秒杀数量为：" + this.inventoryNum;
    },
    getActiveId(id){
      this.form.activeId = id;
      this.queryParams.activeId = id;
    },
    getCategroyId(id){
      this.form.categoryId = id;
      this.queryParams.categoryId = id;
    },
    aNameIsNull(row, column){
      if (row.activeName === null) {
        return '暂无'
      } else  {
        return row.activeName
      }
    },
    sknIsNull(row, column){
      if (row.seckillNum === null) {
        return '暂无'
      } else  {
        return row.seckillNum
      }
    },
    skpIsNull(row, column) {
      if (row.seckillPrice === null) {
        return '暂无'
      } else  {
        return row.seckillPrice
      }
    },
    handleImgUrl(row){
      return "https://theo-666-1313960509.cos.ap-shanghai.myqcloud.com"+row.img;
    },
    /** 查询商品管理列表 */
    getList() {
      this.loading = true;
      listGoods(this.queryParams).then(response => {
        this.goodsList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        name: null,
        title: null,
        categoryId: null,
        categoryName: null,
        price: null,
        status: "0",
        activeId: null,
        activeName: null,
        img: null,
        evaluateId: null,
        hot: null,
        seckillPrice: null,
        seckillNum: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.queryParams = {
        pageNum: 1,
        pageSize: 10,
        name: null,
        title: null,
        categoryName: null,
        categoryId: null,
        price: null,
        activeName: null,
        activeId: null,
        img: null,
        hot: null,
      }
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.isAble = true;
      this.reset();
      this.open = true;
      this.title = "添加商品管理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.isAble = false;
      this.reset();
      const id = row.id || this.ids
      getInventoryNum(id).then(resp =>{
        this.inventoryNum = resp.data;
        console.log(this.inventoryNum)
      });
      getGoods(id).then(response => {
        this.form = response.data;
        this.form.img = "https://theo-666-1313960509.cos.ap-shanghai.myqcloud.com"+response.data.img;
        this.open = true;
        this.title = "修改商品管理";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            const allowSkn = this.inventoryNum;
            const inputSkn = this.form.seckillNum
            if(inputSkn > allowSkn){
              // this.form.seckillNum = this.MaxSeckillNum();
              return this.$modal.msgError("秒杀数量超出！");
            }
            updateGoods(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addGoods(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除商品管理编号为"' + ids + '"的数据项？').then(function() {
        return delGoods(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/goods/export', {
        ...this.queryParams
      }, `goods_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
